Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds › C08F 297 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
Patents for C08F 297 - Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer (8,367)
12/1998
12/03/1998CA2261147A1 Polyprolylene resin compositions and interior automotive trim parts
12/02/1998EP0881242A2 Polymer for asphalt cement modification
12/02/1998EP0881237A1 Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
12/02/1998CN1040986C Process for preparing linear low density polyethylene
12/01/1998US5844056 Star polymers having multiple polyisobutylene arms emanating from a calixarene core, initiators therefor, and method for the synthesis thereof
12/01/1998US5844046 Process for the preparation of olefin polymer
12/01/1998US5844045 Ethylene interpolymerizations
11/1998
11/26/1998DE19721403A1 Diene polymer solutions in aromatic vinyl monomers, used for the preparation of impact modified moulding materials
11/25/1998EP0879863A1 Pressure sensitive adhesive and tape employing a multi-arm elastomeric block copolymer
11/25/1998EP0879836A1 Aromatic vinyl-conjugated diene block copolymer and production process thereof
11/25/1998EP0879835A1 Aromatic vinyl-conjugated diene block copolymer and production process thereof
11/25/1998EP0879253A1 Vinyl aromatic block copolymers and compositions containing them
11/25/1998EP0455813B1 Flexible polypropylene resin, propylene elastomer composition, and production of olefin polymer
11/24/1998US5840808 Process for preparing olefin polymer
11/24/1998US5840644 Olefin polymerization catalysts
11/18/1998EP0878492A1 Process for preparing an elastomeric copolymer composition of mono-vinyl aromatic hydrocarbons and conjugated dienes
11/18/1998EP0877766A1 Preparation of branched polymers
11/18/1998EP0607342B1 Polyethylene films exhibiting low blocking force
11/18/1998CN1199406A High transparency and high flexibility elastoplastic polyolefin compositions
11/17/1998US5837778 Multifunctional initiator for obtaining star-shaped polymers by an anionic route, process for its manufacture and corresponding star-shaped polymers, process for their manufacture and their applications
11/17/1998US5837756 Polymer for asphalt cement modification
11/11/1998EP0877039A1 Polypropylene molding composiotn with excellent stiffness and toughness
11/11/1998EP0877038A2 Tapered block copolymers of monovinylarenes and conjugated dienes
11/11/1998EP0876404A1 Process for preparing an aqueous polymer dispersion by the method of radical aqueous emulsion polymerization
11/10/1998US5834557 Graft modified ethylene/α-olefin copolymer composition
11/05/1998CA2204464A1 Process for polymerization of .alpha.-olefin
11/04/1998EP0875538A1 Modified porous silica, process for preparing it and its use in paints and as carrier of pigments
11/04/1998CN1197806A Multi-chelate organolithium initiator and its method in synthesizing polymer with wide molecular weight distribution and high Mooney viscosity with the same
11/03/1998US5830965 Polymer containing a modified cyclic monomer unit
10/1998
10/29/1998CA2234035A1 Modified porous silica, process for its preparation and its use in paints and as pigment and dye carriers
10/28/1998CN1040444C Process for prepn. of polypropylene resin compsns. of high syndiotacticity
10/22/1998WO1998046678A1 Thermoplastic molding material
10/22/1998WO1998046651A2 Living olefin polymerization processes
10/22/1998DE19715821A1 Thermoplastische Formmasse A thermoplastic molding composition
10/15/1998WO1998045368A1 Olefin (co-)polymer compositions and method of producing the same
10/15/1998WO1998045342A1 Production of homocopolymers, co-copolymers or block copolymers from cycloolefinic monomer units
10/15/1998DE19815895A1 Hydrogenated block copolymers for use in resin moulding material(s)
10/15/1998DE19715036A1 Economical controlled continuous anionic (co)polymerisation of styrene or di:ene monomers
10/15/1998DE19715035A1 Production of block copolymers, especially of styrene and butadiene
10/15/1998DE19714532A1 Herstellung von Homo-, Co- oder Blockcopolymeren aus cycloolefinischen Monomereinheiten Preparation of homopolymers, copolymers or block copolymers of monomer units cycloolefinic
10/14/1998EP0871069A1 Light-sensitive mixture and recording material prepared therefrom
10/14/1998EP0870777A2 Initiator system and process for the anionic (co)polymerisation of (meth)acrylic, vinylaromatic and/or dienic monomers
10/14/1998EP0869978A1 Procatalyst, procatalyst precursor, and process for the preparation of a multimodal ethylene polymer
10/14/1998EP0813558A4 Novel block copolymers and a novel method for preparing (co)polymers having a narrow molecular weight distribution by metal-free anionic polymerisation in the presence of a phosphonium cation
10/14/1998CN1040219C Process for in situ blending of polymers
10/13/1998CA2134027C Tapered block copolymers of monovinylarenes and conjugated dienes
10/07/1998EP0837921A4 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers
09/1998
09/29/1998CA2078777C Process for preparing polyolefins having a bimodal molecular weight distribution
09/29/1998CA2034194C Solid block and random elastomeric copolymers
09/22/1998US5811500 Process for the controlled radical (CO) polymerization of (Meth) acrylic vinyl vinylidene and diene monomers in the presence of an Rh Co OR Ir
09/22/1998US5811491 Glass fiber-reinforced thermoplastic resin composition
09/22/1998CA2130009C Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer
09/15/1998US5807937 Processes based on atom (or group) transfer radical polymerization and novel (co) polymers having useful structures and properties
09/15/1998US5807928 Process for the preparation of ABS resins
09/09/1998EP0863183A1 Propylene composition, process for preparing the same, polypropylene composition, and molded articles
09/09/1998CN1192759A Block polymer having functional groups at both ends
09/08/1998US5804665 Excellent balance between rigidity and impact resistance and excellent in heat resistance and surface hardness
09/08/1998US5804664 Star polymers having multiple arms emanating from a calixarene core, initiators therefor, and method for the synthesis thereof
09/08/1998US5804663 Hot melt adhesives
09/08/1998US5804656 Compositions of the ABS type for processing by extrusion and deep drawing
09/04/1998CA2231077A1 Polymeric material and process for production thereof
09/02/1998EP0861272A1 Improved processes based on atom (or group) transfer radical polymerization and novel (co)polymers having useful structures and properties
09/02/1998EP0525177B1 Unimolecular micelles and method of making the same
08/1998
08/27/1998DE19724317C1 Segmented polyolefin with high strength and toughness
08/26/1998EP0860457A1 Polypropylene block copolymers and containers made therefrom
08/26/1998EP0859803A1 Thermoplastic moulding compound
08/25/1998US5798421 Water-soluble associative triblock copolymers
08/25/1998US5798420 Ethylene-alpha olefin block copolymers and methods for production thereof
08/25/1998US5798418 Star polymers from mixed initiators
08/20/1998WO1998036001A1 Convergent self-branching polymerization
08/20/1998WO1998025975A3 Anionic polymerisation of acrylates and methacrylates
08/20/1998CA2279519A1 Convergent self-branching polymerization
08/18/1998US5795944 Programmed addition of heavy ethers for microstructure control of diene polymers
08/18/1998US5795938 Preparation of toughened polystyrene molding materials
08/18/1998CA2077371C Process for producing continuously tapered polymers and copolymers and products produced thereby
08/13/1998WO1998034986A1 Improved processing olefin copolymers
08/13/1998WO1998034985A1 High melt strength polyethylene compositions
08/13/1998WO1998034971A1 Propylene polymers incorporating polyethylene macromers
08/13/1998WO1998034970A1 Thermoplastic elastomer compositions from branched olefin copolymers
08/13/1998WO1998034965A1 Preparation of vinyl-containing macromers
08/13/1998CA2279851A1 Improved processing olefin copolymers
08/13/1998CA2277111A1 Thermoplastic elastomer compositions from branched olefin copolymers
08/13/1998CA2276214A1 Preparation of vinyl-containing macromers
08/13/1998CA2274062A1 High melt strength polyethylene compositions
08/12/1998EP0581956B1 Electrophotographic photoreceptor
08/12/1998CN1190101A Rubbery polymer and method for producing the same
08/11/1998US5792824 Cyclic conjugated diene polymer and method of producing same
08/11/1998CA2047816C Toner and developer compositions with liquid glass resins
08/05/1998EP0856522A1 A multifunctional organic alkali metal initiator and its synthesis, anonic polymerised star polymers and their preparation
08/05/1998EP0797626B1 Method for preparation of impact-resistant modified polystyrene molding compounds
08/05/1998CN1189508A Anionic copolymerization of conjugated dienes and vinyl arenes in presence of alkyl ethers of tetrahydropyranyl methanol
08/04/1998US5789487 Preparation of novel homo- and copolymers using atom transfer radical polymerization
07/1998
07/29/1998CN1189170A Thermoplastic moulding compound
07/28/1998US5786432 Polymerizing or copolymerizing olefin in presence of transition metal metallocene catalyst and cocatalyst
07/23/1998WO1998031746A1 Impact-resistant thermoplastic moulding compound
07/23/1998WO1998031690A1 ORGANIC COMPOUNDS CONTAINING SILICON OR GERMANIUM, TRANSITION METAL COMPLEXES, CATALYST FOR α-OLEFIN POLYMERIZATION, AND PROCESSES FOR PRODUCING α-OLEFIN POLYMERS
07/23/1998WO1998007765A3 Anionic polymerisation process
07/23/1998DE19701868A1 Schlagzäh thermoplastische Formmasse High impact thermoplastic molding compound
07/22/1998EP0854156A2 Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer
07/16/1998WO1998030634A1 Bituminous compositions containing coupled copolymers
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